How Hydrostor Aims To Change The Power Game By Storing Energy Under Water Posted by jpuopolo on Sunday July 10, 2011 @09:30AM from the jpuopolo.com dept. http://www.jpuopolo.com/2011/07/how-hydrostor-aims-to-change-the-power-game-by-storing-energy-under-water/ ( 1 comment | 3 points | on HN )
They claim high efficiency. Presumably higher than pumped hydro storage. Wonder then on the efficiencies of using different gases than raw air.